Treble hook



FIG. 1 is a perspective view of the treble hook showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is an opposite view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view. 

The ornamental design for a treble hook, as shown and described. 